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Graphene-based supercapacitor offers energy density comparable to NiMH battery, but with rapid charge and discharge

Green Car Congress

Researchers from Nanotek Instruments and Angstron Materials have developed a graphene-based supercapacitor that exhibits a specific energy density of 85.6 These values are comparable to those of NiMH batteries, the researchers note, but the new supercapacitor offers the ability to be charged or discharged within seconds or minutes.

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ARPA-E awarding $36M to 22 projects in RANGE program for transformative EV storage

Green Car Congress

The US Department of Energy (DOE) Advanced Research Projects Agency - Energy (ARPA-E) will award approximately $36 million to 22 projects to develop transformational electric vehicle (EV) energy storage systems using innovative chemistries, architectures and designs. Princeton University. Jet Propulsion Laboratory.

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Tier 1 HELLA evaluating PowerGenix NiZn batteries for 48V mild hybrid vehicles

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High-rate, high-power capabilities are critical to the performance of 48-volt systems, but cost and complexity of Li-ion battery technologies capable of meeting such requirements pose the biggest challenge to their widespread adoption. Source: PowerGenix. Click to enlarge.

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Profile: Li-ion Provider Compact Power, Inc. Focusing on the Automotive and Vehicle Markets

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Generic Li-ion cell and various component technologies. In Li-ion batteries, Li ions (Li + ) leave the cathode during charging and move through the electrolyte and separator to intercalate into the anode. As the technology gets fixed, the anode is more of an issue related to fast charge. The reverse happens on discharge.

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

Fisker $80,000 Karma series luxury 50-mile range series PHEV, S Sunset convertible version.Partnering with Quantum Technologies. 2010 Prius designed to be manufactured with NiMH or Lithium batteries. Plug-in hybrids make little sense in a car with current battery technology," he said. Establishing dealer network.

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